In a bowl, mix the teriyaki sauce, brown sugar, soy sauce, and sesame oil. Stir to dissolve the sugar and set aside.
Cook the noodles to your preferred texture and drain.
Melt the butter in a skillet or sauce pan. Add the garlic and saute until fragrant.
Add the pasta to the garlic butter and stir to coat.
Add the sauce and stir until well coated. Serve and enjoy!